MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ab04f04d7307010fe5b52c7137ff53e05db32808fb342a89f63a51538078d1f7. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



DCRat


Vendor detections: 15


Intelligence 15 IOCs 1 YARA 10 File information Comments

SHA256 hash: ab04f04d7307010fe5b52c7137ff53e05db32808fb342a89f63a51538078d1f7
SHA3-384 hash: 0abc6d22fde0003f7f7daa0d5e2f88990b09530e88da9ac6ce3930c50ca74a48c094f936e11e84944f86f1014cd575de
SHA1 hash: f8e9e8a7ad62f26c492e42612903e22189007474
MD5 hash: 4c731e8c8e744cdf9f3f0b85b44294e9
humanhash: item-lamp-ohio-bacon
File name:4C731E8C8E744CDF9F3F0B85B44294E9.exe
Download: download sample
Signature DCRat
File size:1'686'528 bytes
First seen:2025-08-12 15:20:18 UTC
Last seen:2025-08-13 05:10:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:G9Rhal5pkRWT+Zz8Dy2JAc53cMuDLpByWZSyTR/oSi4tLUMsPXcDP:GI+z8O2D3yLDZSyTR/oyL2P
TLSH T15A75AE1666924E33C2645B725197013D56D0DB623522EB0F3A2F24E3AE4B7F18E7B1B3
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter abuse_ch
Tags:DCRat exe RAT


Avatar
abuse_ch
DCRat C2:
http://737347cm.nyash.es/ToPhpLinuxtemp.php

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://737347cm.nyash.es/ToPhpLinuxtemp.php https://threatfox.abuse.ch/ioc/1567722/

Intelligence


File Origin
# of uploads :
2
# of downloads :
76
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
4C731E8C8E744CDF9F3F0B85B44294E9.exe
Verdict:
Malicious activity
Analysis date:
2025-08-12 17:54:52 UTC
Tags:
dcrat rat remote darkcrystal netreactor wmi-base64

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
virus sage msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
Creating a file
Creating a file in the Windows subdirectories
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a process from a recently created file
Sending a custom TCP request
Loading a suspicious library
DNS request
Connection attempt
Sending an HTTP POST request
Creating a window
Unauthorized injection to a recently created process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
crypt cryptor_detected dcrat net_reactor obfuscated obfuscated obfuscated packed packed
Result
Threat name:
DCRat, PureLog Stealer, zgRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops executable to a common third party application directory
Drops PE files with benign system names
Found malware configuration
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: System File Execution Location Anomaly
Suricata IDS alerts for network traffic
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected DCRat
Yara detected PureLog Stealer
Yara detected zgRAT
Behaviour
Behavior Graph:
Gathering data
Gathering data
Threat name:
ByteCode-MSIL.Trojan.DCRat
Status:
Malicious
First seen:
2025-08-09 02:34:42 UTC
File Type:
PE (.Net Exe)
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:dcrat infostealer rat
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
.NET Reactor proctector
Checks computer location settings
DcRat
Dcrat family
Verdict:
Malicious
Tags:
rat dcrat Win.Packed.Uztuby-10009381-0
YARA:
MAL_EXE_DCRat_Jul_08_2
Unpacked files
SH256 hash:
ab04f04d7307010fe5b52c7137ff53e05db32808fb342a89f63a51538078d1f7
MD5 hash:
4c731e8c8e744cdf9f3f0b85b44294e9
SHA1 hash:
f8e9e8a7ad62f26c492e42612903e22189007474
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:botnet_plaintext_c2
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
Rule name:DotNet_Reactor
Author:@bartblaze
Description:Identifies .NET Reactor, which offers .NET code protection such as obfuscation, encryption and so on.
Rule name:INDICATOR_EXE_Packed_DotNetReactor
Author:ditekSHen
Description:Detects executables packed with unregistered version of .NET Reactor
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:PureCrypter
Author:@bartblaze
Description:Identifies PureCrypter, .NET loader and obfuscator.
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information


The table below shows additional information about this malware sample such as delivery method and external references.

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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